Home / 133,514.28-184,237.20-79,788.60

Finding the Fourth Proportional to 133,514.28, 184,237.20 and 79,788.60

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Solution

The fourth proportional to 133,514.28, 184,237.20 and 79,788.60 is: 110,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,514.28 : 184,237.20 = 79,788.60 : x
  2. Step 2: Convert to fraction form
    133,514.28/184,237.20 = 79,788.60/x
  3. Step 3: Cross multiply
    133,514.28x = 184,237.20 × 79,788.60
  4. Step 4: Simplify right side
    133,514.28x = 14,700,028,255.92
  5. Step 5: Solve for x
    x = 14,700,028,255.92/133,514.28
  6. Step 6: Final answer
    x = 110,100.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.